Rip-off
The iTunes version of 4'33" offers all three movements, a snip at $1.99. Strangely, they only add up to 4'31". You might have thought a duration of four minutes and thirty-three seconds the minimum prerequisite for a recording of 4'33": apparently not.
That is by Wesley Stace, from his review "Hush Now: The silent of music and the music of noise," TLS 15 October 2010.